APS Сustomer Service Utility CompanyAPS Phone: 1-800-253-9405 – Main Line 800-253-9409 – Credit Line 602-371-7607 866-776-0445 – Payment Line 602-371-6555 800-659-2975 – Website Support 602-371-5775 800-253-9407 – Business Line 602-371-6767 800-659-8148 – Solar...